The Jaguar XK140 is a sports car manufactured by Jaguar between 1954 and 1957 as the successor to the XK120. Upgrades included more interior space, improved brakes, rack and pinion steering, increased suspension travel, and telescopic shock absorbers instead of the older lever arm design.

Performance

Realistically, a stock XK-140 SE could achieve a top speed of 120–125 mph (193–201 km/h). Road & Track 's XK-140 MC test in June 1955 recorded a best two-way average of 120.3 mph (193.6 km/h). Best one-way run was 121.1 mph (194.9 km/h). Sports Cars Illustrated 's test of the same model in Aug 1957 had a fastest two-way average of 121 mph (195 km/h). Their best one-way run was 124 mph (200 km/h). Karl Ludvigsen's test published in Sports Car World (July 1957) had the same results as the SCI test.